linkup_web_answer $3.125 per call
Research a web question. Start asynchronous multi-source research with citations. (Linkup · Open web & SEO data) Async task: answers 202 with a job id; poll GET /v1/jobs/<id>. Price depends on the options ($0.3125 to $3.125); refunded if the task fails. Prepaid credits only.
For AI agents: call linkup_web_answer
POST https://toll402.dev/v1/p/linkup.web.answer
{
"q": "What is example.com used for?",
"outputType": "sourcedAnswer",
"reasoningDepth": "S",
"mode": "answer"
}Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server:
npx -y toll402-mcp · remote https://toll402.dev/mcp.Input schema
{
"type": "object",
"properties": {
"q": {
"type": "string",
"examples": [
"What is example.com used for?"
]
},
"outputType": {
"type": "string",
"enum": [
"sourcedAnswer",
"structured"
],
"examples": [
"sourcedAnswer"
]
},
"reasoningDepth": {
"type": "string",
"enum": [
"S",
"M",
"L",
"XL"
],
"examples": [
"S"
]
},
"mode": {
"type": "string",
"default": "auto",
"enum": [
"answer",
"auto",
"investigate",
"research"
]
},
"includeDomains": {
"type": "string"
},
"excludeDomains": {
"type": "string"
},
"fromDate": {
"type": "string",
"description": "ISO date YYYY-MM-DD."
},
"toDate": {
"type": "string",
"description": "ISO date YYYY-MM-DD."
},
"structuredOutputSchema": {
"type": "string",
"description": "JSON Schema encoded as a string; required for structured output."
}
},
"additionalProperties": true,
"required": [
"q",
"outputType",
"reasoningDepth"
],
"description": "Research can take minutes. A failed task consumes no Linkup credit; poll the returned id."
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}